quicktex/quicktex/s3tc/bc1/BC1Decoder.h

49 lines
1.8 KiB
C
Raw Normal View History

/* Python-rgbcx Texture Compression Library
Copyright (C) 2021 Andrew Cassidy <drewcassidy@me.com>
Partially derived from rgbcx.h written by Richard Geldreich <richgel99@gmail.com>
and licenced under the public domain
This program is free software: you can redistribute it and/or modify
2021-02-07 23:20:03 +00:00
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2021-02-07 23:20:03 +00:00
GNU Lesser General Public License for more details.
2021-02-07 23:20:03 +00:00
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
2021-02-15 01:52:13 +00:00
#include <memory>
2021-03-11 10:18:40 +00:00
#include <type_traits>
2021-02-15 01:52:13 +00:00
2021-03-14 04:47:53 +00:00
#include "../../BlockDecoder.h"
2021-03-13 12:14:04 +00:00
#include "../../BlockView.h"
#include "../../ndebug.h"
2021-03-16 02:01:42 +00:00
#include "../interpolator/Interpolator.h"
2021-03-14 04:47:53 +00:00
#include "BC1Block.h"
2021-03-16 02:01:42 +00:00
namespace quicktex::s3tc {
2021-03-10 11:42:31 +00:00
class BC1Decoder final : public BlockDecoderTemplate<BC1Block, 4, 4> {
public:
2021-02-15 01:52:13 +00:00
using InterpolatorPtr = std::shared_ptr<Interpolator>;
2021-03-16 02:01:42 +00:00
BC1Decoder(InterpolatorPtr interpolator = std::make_shared<Interpolator>(), bool write_alpha = false)
: write_alpha(write_alpha), _interpolator(interpolator) {}
void DecodeBlock(Color4x4 dest, BC1Block *const block) const noexcept(ndebug) override;
2021-02-10 21:34:11 +00:00
2021-03-10 11:42:31 +00:00
Interpolator::Type GetInterpolatorType() const { return _interpolator->GetType(); }
constexpr bool WritesAlpha() const { return write_alpha; }
2021-03-10 11:42:31 +00:00
bool write_alpha;
2021-03-11 10:18:40 +00:00
private:
2021-02-15 01:52:13 +00:00
const InterpolatorPtr _interpolator;
};
2021-03-14 08:59:16 +00:00
} // namespace quicktex::s3tc